32131001123220 has 96 divisors (see below), whose sum is σ = 90963124914816. Its totient is φ = 8473512960000.

The previous prime is 32131001123219. The next prime is 32131001123227. The reversal of 32131001123220 is 2232110013123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131001123227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5598595 + ... + 9777845.

It is an arithmetic number, because the mean of its divisors is an integer number (947532551196).

Almost surely, 2^{32131001123220} is an apocalyptic number.

32131001123220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32131001123220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45481562457408).

32131001123220 is an abundant number, since it is smaller than the sum of its proper divisors (58832123791596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32131001123220 is a wasteful number, since it uses less digits than its factorization.

32131001123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180681 (or 4180679 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 32131001123220 its reverse (2232110013123), we get a palindrome (34363111136343).

The spelling of 32131001123220 in words is "thirty-two trillion, one hundred thirty-one billion, one million, one hundred twenty-three thousand, two hundred twenty".